Gréta Arn (born 13 April 1979) is a Hungarian professional tennis player of German descent. She is the Hungarian no. 2, behind Tímea Babos. She turned professional in 1997.

In her career she won four ITF titles in singles; she also won her first WTA title in Estoril, Portugal, on 6 May 2007, and her second in Auckland, New Zealand in 2011. Her career high WTA ranking is no. 40, on 16 May 2011.

Arn was born in Budapest, Hungary. After playing for Germany with dual Hungarian citizenship for 9 years, she chose for the 2008 Fed Cup to compete for Hungary alongside Ágnes Szávay. She also chose to play for her nation of birth full time.

In 1997, Arn won her first ITF Women's Circuit title, winning a $10,000 event it Stockholm. In 1999 she won her second ITF title at the $10,000 event in Glasgow. In 2004, at Bad Saulgau, she won her third ITF $10,000 title.

In 2006, Arn won a ITF $25,000 event in Fort Walton Beach. In 2007, she won her first WTA Tour title as a qualifier ranked No.176 in the world, becoming the lowest ranked and first qualifier to win a WTA Tour event in 2007. In the Tier IV 2007 Estoril Open final she defeated teenager Victoria Azarenka 2–6, 6–1, 7–6; saving two matchpoints at 4–5 in third set.

Maria Yuryevna Sharapova (Russian: Мария Юрьевна Шарапова [mɐˈrʲijə ˈjurʲjɪvnə ʂɐˈrapəvə] ( listen), US: /ʃɑrəˈpoʊvə/, UK: /ʃærəˈpoʊvə/; born April 19, 1987) is a Russian professional tennis player and former world no. 1. A United States resident since 1994, Sharapova has won 26 WTA singles titles, including three Grand Slam singles titles at the 2004 Wimbledon, 2006 US Open and 2008 Australian Open. She has also won the year-end WTA Tour Championships in 2004. The Women's Tennis Association has ranked Sharapova world no. 1 in singles on four separate occasions. She became the world no. 1 for the first time on August 22, 2005, and last regained the ranking for the fourth time on May 19, 2008. As of May 28, 2012, Sharapova is ranked world no. 2. She has been in six Grand Slam finals with the final record 3–3.

Sharapova made her professional breakthrough in 2004 at age 17, when she defeated two-time defending champion and top seed Serena Williams in the 2004 Wimbledon final for her first Grand Slam singles title. She entered the top 10 of the WTA Rankings with the win. Despite not winning a major in 2005, Sharapova briefly held the no. 1 ranking, and reached three Grand Slam semifinals, losing to the eventual champion each time. She won her second major at the 2006 US Open defeating then-world no. 1 Amélie Mauresmo in the semifinals and world no. 2 Justine Henin in the final.

Chelsey Gullickson (born August 29, 1990) is an American tennis player. Her highest WTA singles ranking is 399, which she reached on June 9, 2008. Her career high in doubles is 665, which she reached on July 7, 2008. She is the sister of professional tennis player Carly Gullickson and daughter of former major league baseball pitcher Bill Gullickson.

She won the 2010 NCAA Women's Tennis Championship in singles for the University of Georgia. Although not having a WTA rank at the time, she received two wild cards for the 2010 US Open where she drew the top seed Caroline Wozniacki in the first singles round and will also play doubles with her sister Carly. She lost to Wozniacki 1-6, 1-6 in the first round.

Ana Isabel Medina Garrigues (born 31 July 1982 in Torrent, Valencia), better known as Anabel Medina, is a Spanish female tennis player. She reached a career high WTA Tour ranking of No. 16 on 4 May 2009, and has won 11 singles titles and 14 doubles titles, including the 2008 French Open and 2009 French Open with Virginia Ruano Pascual. Like many of her Spanish compatriots, she is a very crafty clay court specialist who grinds to win most of her rallies. However, unlike most of her fellow Spaniards, she prefers to play on hard courts. She won the WTA tournament in Strasbourg, France, beating Katarina Srebotnik in the final in May 2008, thus defending the title she won the previous year against Amélie Mauresmo. Her other singles titles came in Palermo in 2006, 2005, 2004 and 2001; Canberra in 2006; Strasbourg in 2005 and Fès in 2009.

Anabel began 2011 by losing in the first rounds of 2011 ASB Classic, 2011 Australian Open, and 2011 Copa Sony Ericsson Colsanitas and the qualifying draw of 2011 Medibank International Sydney. She then reached her first semifinal in 9 months in the 2011 Abierto Mexicano Telcel with wins over 1st seed Julia Görges and 7th seed Carla Suárez Navarro before losing to Gisela Dulko, 6–0, 6–2. In the 2011 BNP Paribas Open she defeated Tamira Paszek 6–1, 6–1 before losing to Maria Sharapova 7–5, 6–7, 6–1.

Katalin Marosi (born 12 November 1979 in Gheorgheni) is a professional tennis player from Hungary. Marosi has won 16 ITF Circuit Singles titles and 27 doubles titles. She was once known as Katalin Marosi-Aracama.